Method of reading recorded information from information storage

Details Method of reading recorded information from information storage Method of reading recorded information from information storage

1990-06-12

1993-02-16

Envall, Jr., Roy N.

Dynamic information storage or retrieval

With servo positioning of transducer assembly over track...

Optical servo system

369 47, G11B 7007, G11B 2112

Patent

active

051876973

ABSTRACT:
The same track on an optical disk is read at least twice by an optical pickup at a speed which is at least twice a standard speed to store the read information into a memory at a time of the first reading corresponding to a memory periodic interval. When an erroneous track jump has occurred, the optical pickup is returned to the track on which the erroneous track jump has occurred and the read information from the track is stored into the memory during an empty interval.

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patent: 4701897 (1987-10-01), Nakagawa
patent: 4796247 (1989-01-01), Vogelsang
patent: 4860272 (1989-08-01), Nishikawa et al.
patent: 5033041 (1991-07-01), Schroder

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